Valve



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A'ITORNEY WITNESS:

Patented-Angl 14, 1923.

Parana HARMON L. RAULERSON, VOF OKEECHOBEE, FLORIDA, ASSIGNOR OFONE-HALF TO STANLEY J. THIBODEAUX,

OF OKEECHOBEE, FLORIDA.

VALVE.

`To all whom t mayicoacem.' Y

VBe it known 'that I, Harmon L. VItaniumsoN, a citizen orn the UnitedStates, residing at Okeechobee, in the county of Okeechobee and State ofFlorida., have invented Vnew and useful Improvements in t Valves, ofwhich the following is a specification.

An object of this invention is to produce `a combinedcheck andrstovpvalve for use lO between a pump or injector and a 'boiler in which-theconstruction'shall be strong,light vand simple, and wherein the valvecan be readily actuated under all conditions. e

A. further object is to produce a combined in the nature of a Vhollowfrusto-conical member havinga` divisionv wall which `provides a seat forthe check valve, means on seated in a frusto-conical casing, said coreIication having a central partition provided with an opening that forms aseat for the check valve and the casing` having nipples disposed at theopposite sides of the partition, said casing having` its top closed by abonnet and provided with means-for guiding the stem or' the check valve,said means, if desired, being adjustableto regulate the opening andclosing of the check or for Vholding the check seated, while .the coreis provided with a threaded stem projecting Y through the closed bottomof the casing,

l through a cap member securedl to the bot- Y tion and. arrangementofparts being such as check and stopj valve in which the core is topositively prevent the core blowing through the top Vof the valveregardless of the pressure exerted thereagainst, inasmuch as the core isprovided withan open top so that pressure of iluid passing through thecheck valve seat is exerted thereagainst and an excess of such pressurewill have a tendency to seat, rather than unseat the core.

To the attainment of the foregoing objects', and many others which willpresent themselves as the nature of the invention is better understood,reference is to be had to the drawing which Vaccompanies and which formspart of this application.

In the drawings Figure l is a substantially central verticallongitudinal sectional view through a valve in accordance with thisinvention, the portspof the coreV or plug being in open position. i

Figure 2 isa substantially similar sec* `tional view, but illustratingthe bonnet Ibolted to the casing and the nipples provided with aperturedflanges for the reception of bolts that pass through similar flanges 1nthe ends of the inlet and outlet luid pipes.

Figure 3 is a substantially similar sectionall view butillustrating aslight modi- Figure 4 isa sectional view. substantially similarto-Figure 3, but showing the bonnet bolted to the casing and the`nipples ianged and provided with apertures for the reception of boltsfor securing the valve to the ianged endsof the inlet and outlet pipes.1 v

My present invention is in substanrc, in the nature of an improvementupon the U. S, patent application ot Stanley J. Thibodeaux and myself,which was filed by us September 4, 1,920. bears the `Serial No. 408,238,and was allowed April, 1922.

As in our application, I make use of a hollow-*conical body or casinglvwhich is open at its widened end and which has its opposite or narrowend closed, as at 2. The bottom Vmember 2 is, however, spaced a suitable.distance'inward from the end o't' the body of the casing, providingtherebetween a pocket 3, for a purpose which will hereinafter beapparent.

In Figure l of the drawing, I have screwed on the open top of the body 1a bonnet ,while in Figure 2 the said bonnet is'bolted, as at 5, to anextending liange -t on the widened end of the body. Also in Figure 1 lhave shown the body or-cas1ng 1 provided with approximately diametri-lWith interior threads, the nipple 6 receivingv therein the threaded endot the intake pipe (not shown), ivhilc the threaded nipple Z receivestherein the threaded end of the outlet `pipe (not shown). ln Figure-2,honever, the nipples 6 and 7 are provided with annular apertured iianges8 and 9 respectively, and to thee ilanges there is bolted the ilangedends ot' the inlet and outlet pipes respectively, In other respects theconstruction is similar and the reference characters indicating theparts ot one are to beunderstood as equally applicable to the other. v

vIn each casing 1 there is an inverted hoiloiv conical valve core 10.rllhe core 10 is of a lesslength than the bore ot the body or casing 1,the loiver end ot the core beingV closed, as at 11 and is provided witha reduced centrally arranged threaded stein 12 that passes through a.central opening in the bottoni 3 as v-ell as through an opening in thecap plate 13 that is screwed or othervrise secured on the Vreduced endoi'l the valve casing 1, below the bottom ivall 2 thereof. 'lhreadedlyengaged by the stem 12 is a langed nut- 14, the ila-nge 15 ot the saidnut being received in the pocket 3. The outer end ot the stem isvsquared to receive therein a squared opening` in the head ot aremovable operating handle 1G. Y The core or plug 10 is approximatelycentrally provided with a transverse partition 17, having` its opposedWalls rounded to its connection with the sides ot the plug or core andthecore is provided with ports to the opposite sides oi the saidpartition one of which indicated b v the rnumeral 18, designed to alignwith the bore ot thenipple (3 or and the other, indicated by the numeral19 is designed toV align with the :bore of the nipple 7 or 7 when theVcore is turned to open position. rlhe partition 1.7 is centrally formedwith an inwardly flared opening that provides 'a seat 2t) i'or a checkvalve 21. r)The check valve 21 has its under :tace'provided with theusual legs 22 Which serve as Iguides, the said legs being` received inthe inlet chamber 1S of the `core orplug 10. rthe outer tace of thecheck valve 2,1 is provided VWith a projecting stem 23 received in theupper chamber 24C of the core` of plug 10 and being also received in thebore ot a guide member 25 arranged on the end 'eta threaded stein 26that passes throughthe central or hub portion 27 ot the bonnet l. Theouter end ot the hub is Y dislied inwardly to receive therein a paoloWith the packing and V4'in Vreality provides a box for the packing. Y

In Figures 3 and l ot' the drawing the construction, in the main, isthesaine as that previously described, and therefore the referencecharacters indicating- Vparts in Figures l and 2 are to be understood asequally applicable to similar parts in Figures 3 and Al. The differencebetween the construction in Figure 3, and that disclosed in Figures 1and 2`is that the vbonnet Li centrally 'formed on'V its outer `tace witha nut SO whereby the flanged bonnet may be screwed on the casing 1, andalso that the bonnet, 1l has its inner face integrally :termed with a-socket 31 that provides a guide for the stem 23 of the valve 21. InFigure i the casingl has Vits widened open end lianged, as at 32 and thebonnet 33 is bolted, as at Sil to the iiange. The bonnet has its innertace centrally provided With a depending socket that re-` ceives thestein 23 of the valve 21 therein.

Also in Figures 2 and l, Where the bonnet is bolted to the casing, thebonnet is provided vrith an annularrib 36 that is received in an annulargroove 37 in the casing or body 1. Y

From the 'foregoing descriptiomvvhen taken in connection with thedrawing' itV will be seen that iiuid'entering the port 1S and 'thechamber 3S or" the core or plug Will unseat the valve 21. The valve 'isguided in Vsuch .movement by the socket member 25. The steam, ot peruse,then passes through the chamber 2st and finds an outlet through the port19. It ist-o be noted that the top ot the core is open so that fanercesspresssnre :vill be received directly on therbonnet e. rthe expansionotany excess pressure in the chamber 2st ivil'l havev a tendency totorce the hollow co're downwardly intotigh't trictional engageirrentwith the bore oit' the casing,Y such pressure likewise havingv atendency to seat Vthe valve 21. is it possible for an excess pressure inthe chamber 38 to rbienr the core or plugbut justing the element 26 thezsocket lmemberV 25 may regulated to adjust the 'opening and closing otthe check valve, and by iurther adjusting said element the valve 21 maybe held seated. A L u c In turning` the plug or 'core to bring theVdrawing, it will be noted that the opening' in the cap 13 is larger thanthe cross sectional diameter ot the' body oi the nut let so that anyleakage between the core Vand casing will find an outlet` lthrough 'thisopening, Supposing the `ports ofthe-core i Iny no instance to he oiztfofalignment with the ports the easing, the nut lil is-turned in anunserewing direction which will force the core in an outward directionwith respect to the casing. This loosens the frietional engagementbetween the core and easing, the

handle 16 is then employed for turning the core. Whenthe `core or plugis to close the ports of the easing, the nut is turned in an oppositedirection, ,forcing the core downwardly in the Casing and also intotight frietion'al engagement with the bore thereof. The handle 1.6 isthe-n employed to turn the plug to bring .its ports out of alignmentwith the ports of the easing. The tight fietional engagement between theeore and casing, when the latter is in its last menn tioned position,positively prevents leakage between these partsVand the longitudinal aswell as the rotary motion imparted to the'core prevents the accumulationof scalel between these parts, so that free movement of the core is thusinsured under all conditions. Y

i it is believed that the foregoing description, when taken inconnection with the drawing will fully set forth the construetion,operation and advantages of the iinprovement to those skilled in the artto which this invention relates, hutit is to be understood vthat i amnot to be restricted to the illustrated embodiment herein set forth,

and hold the invention to be limited only to `said bottom partition,valve means within the Core including inlet and outlet passages in linewith corresponding` passages inthe valve casing, a cap plate detaehahlyengaging the casing over the lower end of the said bore and presentingan enlarged opening throughwhich the extension of the Core is exposed,an adjusting nut having a flanged portion Confined between the said capplate and the said partition to provide a swivel bearing for the nut,said nut being threadedlyengaged with the said extension of the core,and a handle engaged'with the said extension beyond the said nut.

In testimony whereof I ax my signature.

HARMON L. RAULERSON.

